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1394869700 = 225279720543
BaseRepresentation
bin101001100100100…
…0000010111000100
310121012200201111202
41103021000113010
510324041312300
6350224522032
746365124340
oct12311002704
93535621452
101394869700
11656405284
1232b180318
13192ca35b3
14d3378620
15826cead5
hex532405c4

1394869700 has 72 divisors (see below), whose sum is σ = 3495109632. Its totient is φ = 473287680.

The previous prime is 1394869699. The next prime is 1394869709. The reversal of 1394869700 is 79684931.

It is a super-2 number, since 2×13948697002 = 3891322959956180000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1394869709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57629 + ... + 78171.

Almost surely, 21394869700 is an apocalyptic number.

1394869700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1394869700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1747554816).

1394869700 is an abundant number, since it is smaller than the sum of its proper divisors (2100239932).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1394869700 is a wasteful number, since it uses less digits than its factorization.

1394869700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20661 (or 20654 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 47.

The square root of 1394869700 is about 37347.9544285895. The cubic root of 1394869700 is about 1117.3207909787.

The spelling of 1394869700 in words is "one billion, three hundred ninety-four million, eight hundred sixty-nine thousand, seven hundred".

Divisors: 1 2 4 5 7 10 14 20 25 28 35 50 70 97 100 140 175 194 350 388 485 679 700 970 1358 1940 2425 2716 3395 4850 6790 9700 13580 16975 20543 33950 41086 67900 82172 102715 143801 205430 287602 410860 513575 575204 719005 1027150 1438010 1992671 2054300 2876020 3595025 3985342 7190050 7970684 9963355 13948697 14380100 19926710 27897394 39853420 49816775 55794788 69743485 99633550 139486970 199267100 278973940 348717425 697434850 1394869700